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https://www.readbyqxmd.com/read/28630000/betaine-aldehyde-dehydrogenase-expression-during-physiological-cardiac-hypertrophy-induced-by-pregnancy
#1
Jesús Alfredo Rosas-Rodríguez, José Guadalupe Soñanez-Organis, José Arquimides Godoy-Lugo, Juan Alberto Espinoza-Salazar, Cesar Jeravy López-Jacobo, Norma Aurora Stephens-Camacho, Guadalupe González-Ochoa
Betaine Aldehyde Dehydrogenase (betaine aldehyde: NAD(P)(+) oxidoreductase, (E.C. 1.2.1.8; BADH) catalyze the irreversible oxidation of betaine aldehyde (BA) to glycine betaine (GB) and is essential for polyamine catabolism, γ-aminobutyric acid synthesis, and carnitine biosynthesis. GB is an important osmolyte that regulates the homocysteine levels, contributing to a vascular risk factor reduction. In this sense, distinct investigations describe the physiological roles of GB, but there is a lack of information about the GB novo synthesis process and regulation during cardiac hypertrophy induced by pregnancy...
June 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28627787/psychiatric-and-cognitive-characteristics-of-individuals-with-danon-disease-lamp2-gene-mutation
#2
Maya Yardeni, Omri Weisman, Hanna Mandel, Ronnie Weinberger, Giovanni Quarta, Joel Salazar-Mendiguchía, Pablo Garcia-Pavia, Maria José Lobato-Rodríguez, Lourdes Fajardo Simon, Freimark Dov, Michael Arad, Doron Gothelf
Danon disease (DD) is a rare X-linked disorder caused by loss-of-function mutations in the LAMP2 gene, which encodes lysosome-associated membrane protein. It is characterized by the triad of hypertrophic cardiomyopathy, myopathy, and intellectual disability. Whereas the molecular and pathophysiological mechanisms underlying this disorder have been previously reported and continue to be explored, the cognitive deficits and psychiatric comorbidities manifested in DD remain an understudied topic. We systematically assessed cognitive abilities and psychiatric comorbidities in 13 males and females...
June 19, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28626084/optimization-of-ras-braf-mutational-analysis-confirms-improvement-in-patient-selection-for-clinical-benefit-to-anti-egfr-treatment-in-metastatic-colorectal-cancer
#3
Cristina Santos, Daniel Azuara, Rocio Garcia-Carbonero, Pilar García Alfonso, Alfredo Carrato, Elena Elez, Auxiliadora Gómez, Ferran Losa, Clara Montagut, Bartomeu Massuti, Valenti Navarro, Mar Varela, Adriana López-Doriga, Victor Moreno, Manuel Valladares, Jose Luis Manzano, José Maria Viéitez, Enrique Aranda, Xavier Sanjuan, Josep Tabernero, Gabriel Capella, Ramon Salazar
In metastatic colorectal cancer (mCRC) recent studies have shown the importance to accurately quantify low-abundance mutations of RAS pathway because anti-EGFR therapy may depend on certain mutation thresholds. We aimed to evaluate the added predictive value of extended RAS panel testing using two commercial assays and a highly sensitive and quantitative digital PCR (dPCR). Tumor samples from 583 mCRC patients treated with anti-EGFR (n=255) or bevacizumab (n=328) based therapies from several clinical trials and retrospective series from the TTD/RTICC Spanish network were analyzed by cobas®, therascreen® and dPCR...
June 16, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28622286/are-cannabinoids-an-effective-treatment-for-chronic-non-cancer-pain
#4
Rubén F Allende-Salazar, Gabriel Rada
The use of cannabinoids has been proposed as an analgesic for different painful conditions, especially for chronic pain refractory to usual treatment. However, its real efficacy and safety remains controversial. We sought to determine whether cannabinoids are an effective treatment for chronic non-cancer pain. To answer this question, we used Epistemonikos, the largest database of systematic reviews in health, which is maintained by screening multiple information sources, including MEDLINE, EMBASE, Cochrane, among others...
June 14, 2017: Medwave
https://www.readbyqxmd.com/read/28615034/novel-methodologies-and-technologies-to-assess-mid-palatal-suture-maturation-a-systematic-review
#5
Darren Isfeld, Manuel Lagravere, Vladimir Leon-Salazar, Carlos Flores-Mir
INTRODUCTION: A reliable method to assess midpalatal suture maturation to drive clinical decision-making, towards non-surgical or surgical expansion, in adolescent and young adult patients is needed. The objectives were to systematically review and evaluate what is known regarding contemporary methodologies capable of assessing midpalatal suture maturation in humans. METHODS: A computerized database search was conducted using Medline, PubMed, Embase and Scopus to search the literature up until October 5, 2016...
June 14, 2017: Head & Face Medicine
https://www.readbyqxmd.com/read/28612092/involvement-of-cytochrome-p450-in-cisplatin-treatment-implications-for-toxicity
#6
REVIEW
Júlia Coelho França Quintanilha, Vanessa Marcilio de Sousa, Marília Berlofa Visacri, Laís Sampaio Amaral, Roseane Maria Maia Santos, Tomás Zambrano, Luis Antonio Salazar, Patricia Moriel
PURPOSE: The aim of this study is to evaluate the relationship between the CYP450 enzyme family and cisplatin toxicity. METHODS: This article examined a collection of studies suggesting that CYP450 enzymes may influence cisplatin toxicity. We performed a narrative mini-review. RESULTS: The studies review showed that CYP450 enzymes have an important role in drug-induced hepatotoxicity and nephrotoxicity, mainly CYP2E1 and CYP4A11. The studies also suggested that the cisplatin and CYP2E1 interaction leads to the generation of reactive oxygen species (ROS) and other oxidants resulting in renal injury; and that ROS generated by both the use of cisplatin and by the CYP2E1 increases tissue damage, induces apoptosis, and causes liver failure...
June 13, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28611584/glial-and-neuronal-glutamate-transporters-differ-in-the-na-requirements-for-activation-of-the-substrate-independent-anion-conductance
#7
Christopher B Divito, Jenna E Borowski, Nathan G Glasgow, Aneysis D Gonzalez-Suarez, Delany Torres-Salazar, Jon W Johnson, Susan G Amara
Excitatory amino acid transporters (EAATs) are secondary active transporters of L-glutamate and L- or D-aspartate. These carriers also mediate a thermodynamically uncoupled anion conductance that is gated by Na(+) and substrate binding. The activation of the anion channel by binding of Na(+) alone, however, has only been demonstrated for mammalian EAAC1 (EAAT3) and EAAT4. To date, no difference has been observed for the substrate dependence of anion channel gating between the glial, EAAT1 and EAAT2, and the neuronal isoforms EAAT3, EAAT4 and EAAT5...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28610780/analysis-of-transcription-factors-micrornas-and-cytokines-involved-in-t-lymphocyte-differentiation-in-patients-with-tuberculosis-after-directly-observed-treatment-short-course
#8
Nancy Elizabeth Corral-Fernández, Juan Diego Cortes-García, Rivas-Santiago Bruno, Silvia Romano-Moreno, Susanna E Medellín-Garibay, Martín Magaña-Aquino, Raúl A Salazar-González, Roberto González-Amaro, Diana Patricia Portales-Pérez
Tuberculosis (Tb) is an infectious disease in which the immune system plays an important role. MicroRNAs are involved in the development and maintenance of CD4 + T lymphocyte subpopulations. miR-326 regulates the differentiation to Th17 cells and miR-29 correlates with the Th1 response. The aim of this study was to determine the role of microRNAs, Transcription Factors, and cytokines in Th differentiation before and after the directly observed treatment short-course (DOTS). Peripheral blood mononuclear cells and serum from Tb patients were collected at times 0 (before therapy), 2 (after the intensive phase), and 6 months (after the holding phase)...
July 2017: Tuberculosis
https://www.readbyqxmd.com/read/28609394/evaluation-of-depressive-symptoms-in-mid-aged-women-report-of-a-multicenter-south-american-study
#9
Danny Salazar-Pousada, Alvaro Monterrosa-Castro, Eliana Ojeda, Sandra C Sánchez, Ingrid F Morales-Luna, Faustino R Pérez-López, Peter Chedraui
OBJECTIVE: To evaluate depressive symptoms and related factors among mid-aged women using the 10-item Center for Epidemiologic Studies Depression Scale (CESD-10). METHODS: This was a cross-sectional multicenter study in which women aged 40 to 65 from various South American countries were surveyed with the CESD-10 and a general questionnaire containing personal and partner data. RESULTS: In all, 864 women were interviewed from Colombia (Afro-Colombian, n = 215), Ecuador (Mestizo, n = 202), Perú (Quechua at high altitude, n = 231), and Paraguay (Mestizo, n = 216)...
June 12, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28605029/the-pancreatic-cancer-microenvironment-a-true-double-agent
#10
REVIEW
Laleh G Melstrom, Marcela D Salazar, Don J Diamond
The tumor microenvironment in pancreatic cancer is a complex balance of pro- and anti-tumor components. The dense desmoplasia consists of immune cells, extracellular matrix, growth factors, cytokines, and cancer associated fibroblasts (CAF) or pancreatic stellate cells (PSC). There are a multitude of targets including hyaluronan, angiogenesis, focal adhesion kinase (FAK), connective tissue growth factor (CTGF), CD40, chemokine (C-X-C motif) receptor 4 (CXCR-4), immunotherapy, and Vitamin D. The developing clinical therapeutics will be reviewed...
June 12, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28603107/anti-fungal-and-anti-mycobacterial-activity-of-plants-of-nuevo-leon-mexico
#11
Blanca Alicia Alanis Garza, Joel López Arroyo, Gloria González González, Elvira Garza González, Elvira Garza González, Noemí Waksman de Torres, Ricardo Salazar Aranda
Severe fungal infections, particularly those caused by Candida spp, have increased in recent decades and are associated with an extremely high rate of morbidity and mortality. Since plants are an important source of potentially bioactive compounds, in this work the antifungal activity of the methanol extracts of 10 plants (Acacia rigidula, Buddleja cordata, Cephalanthus occidentalis, Juglans nigra, Parkinsonia aculeata, Parthenium hysterophorus, Quercus canbyi, Ricinus communis, Salvia coccinea and Teucrium bicolor) were evaluated...
January 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28599200/assessment-of-mechanically-ventilated-patients-intoxicated-with-organophosphates-by-a-novel-surface-electromyographic-index
#12
María Bernarda Salazar Sánchez, Alher Mauricio Hernández Valdivieso, Miguel Ángel Mañanas Villanueva
PURPOSE: We present a new electromyographic index, named Engagement of Respiratory Muscle (ERM), for assessing the level of participation of respiratory muscles during spontaneous breathing test in patients poisoned with organophosphorus compound. METHODS: Diaphragm and sternocleidomastoid muscles activity was recorded by surface electromyography during spontaneous breathing test. A population of 23 patients poisoned with organophosphates and mechanically ventilated, and a control group of 28 healthy subjects were analyzed...
May 29, 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/28598324/a-case-control-study-to-assess-the-effectiveness-of-pertussis-vaccination-during-pregnancy-on-newborns-valencian-community-spain-1-march-2015-to-29-february-2016
#13
Juan Bellido-Blasco, Silvia Guiral-Rodrigo, Ana Míguez-Santiyán, Antonio Salazar-Cifre, Francisco González-Morán
In the Valencian Community (Spain), the programme of maternal pertussis vaccination during pregnancy started in January 2015. The objective of this study was to estimate in this region the vaccine effectiveness (VE) in protecting newborns against laboratory-confirmed pertussis infection. A matched case-control study was undertaken in the period between 1 March 2015 and 29 February 2016. Twenty-two cases and 66 controls (+/- 15 days of age difference) were included in the study. Cases were non-vaccinated infants < 3 months of age at disease onset testing positive for pertussis by real-time PCR...
June 1, 2017: Euro Surveillance: Bulletin Européen sur les Maladies Transmissibles, European Communicable Disease Bulletin
https://www.readbyqxmd.com/read/28598309/reclassification-of-arthrobacter-viscosus-as-rhizobium-viscosum-comb-nov
#14
José David Flores-Félix, Martha Helena Ramírez-Bahena, Sergio Salazar, Alvaro Peix, Encarna Velázquez
The species Arthrobacter viscosus was isolated from soil from Guatemala and it was classified into the genus Arthrobacter on the basis of phenotypic traits. Nevertheless, the results of16S rRNA gene analysis indicated that this species is a member of the genus Rhizobium, with Rhizobium alamii GBV016T and Rhizobium mesosinicum CCBAU 25010T as the most closely related species with 99.64 and 99.48 % similarity, respectively. The similarity values for the recA gene are 92.2 and 94.4 % with respect to R. alamii GBV016T and R...
June 9, 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/28592669/what-shapes-the-continuum-of-reproductive-isolation-lessons-from-heliconius-butterflies
#15
C Mérot, C Salazar, R M Merrill, C D Jiggins, M Joron
The process by which species evolve can be illuminated by investigating barriers that limit gene flow between taxa. Recent radiations, such as Heliconius butterflies, offer the opportunity to compare isolation between pairs of taxa at different stages of ecological, geographical, and phylogenetic divergence. Here, we report a comparative analysis of existing and novel data in order to quantify the strength and direction of isolating barriers within a well-studied clade of Heliconius Our results highlight that increased divergence is associated with the accumulation of stronger and more numerous barriers to gene flow...
June 14, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28589504/age-related-differences-in-socio-demographic-and-behavioral-determinants-of-hiv-testing-and-counseling-in-hptn-043-nimh-project-accept
#16
N Salazar-Austin, M Kulich, A Chingono, S Chariyalertsak, K Srithanaviboonchai, G Gray, L Richter, H van Rooyen, S Morin, M Sweat, J Mbwambo, G Szekeres, T Coates, D Celentano
Youth represent a large proportion of new HIV infections worldwide, yet their utilization of HIV testing and counseling (HTC) remains low. Using the post-intervention, cross-sectional, population-based household survey done in 2011 as part of HPTN 043/NIMH Project Accept, a cluster-randomized trial of community mobilization and mobile HTC in South Africa (Soweto and KwaZulu Natal), Zimbabwe, Tanzania and Thailand, we evaluated age-related differences among socio-demographic and behavioral determinants of HTC in study participants by study arm, site, and gender...
June 6, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28588285/isolation-and-characterization-of-listeria-species-from-rodents-in-natural-environments-in-china
#17
Yan Wang, Liang Lu, Ruiting Lan, Joelle K Salazar, Jingli Liu, Jianguo Xu, Changyun Ye
Listeria is ubiquitous in a variety of environments and can be isolated from a wide range of animal hosts. Rodents are capable of carrying pathogenic bacteria in their intestines, such as Listeria, and can disseminate those pathogens into the natural environment and to where human activity occurs. In this study, we investigated the occurrence and antimicrobial susceptibility of Listeria spp. isolated from wild rodents found in natural environments in China. We collected 341 intestinal fecal samples of rodents from five different regions of China, all representing different rodent habitats...
June 7, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28586685/marine-microbial-diversity
#18
Guillem Salazar, Shinichi Sunagawa
Invisible to the naked eye, yet dominating life with some 10(30) cells, bacteria and archaea (referred to herein as 'microbes') play key roles in the global cycling of nutrients, matter and energy in our oceans. Having experimented for over 3.5 billion years since their first appearance, they are true master chemists that are capable of carrying out the most diverse and complex of chemical reactions. One of the most abundant groups, cyanobacteria, converts light into chemical energy by fixing carbon dioxide into organic matter...
June 5, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28586418/nocturnal-but-not-diurnal-hypertension-is-associated-to-insulin-resistance-markers-in-subjects-with-normal-or-mildly-elevated-office-blood-pressure
#19
Martin R Salazar, Walter G Espeche, Rodolfo N Stavile, Liliana Disalvo, Andrea Tournier, Betty C Leiva Sisnieguez, Ana Varea, Carlos E Leiva Sisnieguez, Carlos E March, Horacio A Carbajal
OBJECTIVE: The aim was to evaluate the relationships among insulin resistance markers and nocturnal and diurnal hypertension in normotensive or mildly untreated hypertensive adults. METHODS: The study was performed in both female and male adults referred to the Cardiometabolic Unit of the Hospital San Martín, La Plata, Argentina, in order to perform an ambulatory blood pressure measurement (ABPM) for the evaluation of a possible hypertensive disorder. The population was stratified according to their ABPM in: 1-presence or absence of diurnal hypertension and 2-presence or absence of nocturnal hypertension; both conditions were analyzed separately...
June 6, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28584236/superlattice-growth-and-rearrangement-during-evaporation-induced-nanoparticle-self-assembly
#20
Elisabeth Josten, Erik Wetterskog, Artur Glavic, Peter Boesecke, Artem Feoktystov, Elke Brauweiler-Reuters, Ulrich Rücker, German Salazar-Alvarez, Thomas Brückel, Lennart Bergström
Understanding the assembly of nanoparticles into superlattices with well-defined morphology and structure is technologically important but challenging as it requires novel combinations of in-situ methods with suitable spatial and temporal resolution. In this study, we have followed evaporation-induced assembly during drop casting of superparamagnetic, oleate-capped γ-Fe2O3 nanospheres dispersed in toluene in real time with Grazing Incidence Small Angle X-ray Scattering (GISAXS) in combination with droplet height measurements and direct observation of the dispersion...
June 5, 2017: Scientific Reports
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